127. A dummy activity
A.Is artificially introduced
B.Is represented by a dotted line
C.Does not require any time
D.All of the above
128. The difference between the time available to do the job and the time required to do the job, is known as
A.Event
B.Float
C.Duration
D.Constraint
129. The probability distribution of activity times in PERT follows following distribution
A.Normal
B.Binomial
C.Beta
D.Exponential
130. The probability distribution of project completion in PERT follows following distribution
A.Normal
B.Binominal
C.Beta
D.Exponential
131. If TL is the largest allowable event occurrence time, total activity slack (s) is equal to
A.Latest start time ? earliest start time
B.Latest finish time ? earliest finish time (EFT)
C.TL?EFT
D.All of the above
132. The critical activity has
A.Maximum float
B.Minimum float
C.Zero float,
D.Average float
133. The time by which the activity completion-time can be delayed without affeFting the start of succeeding activities, is lown as
A.Duration
B.Total float
C.Free float
D.Interfering float
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